Are these eggs?

[fishstyles]

Here's the tank in question. I did a water change and now I'm seeing this the next day. Possible Tetra eggs?

 

[Essjay]

They are not tetra eggs. tetras scatter their eggs everywhere, they don't stick them to glass. But cories do, and I see cories in the photo of your tank.

 

[fishstyles]

I have a few species of cories yeah

 

[Slaphppy7]

Cory eggs.

 

[Sgooosh]

wow!!!
how big does cories have to be to lay the egg?